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The first stage of escalator construction is to establish the design, as described above. The Elevator Supplier uses this information to construct the appropriately customized equipment. There are two types of companies that supply escalators, primary man... moreThe first stage of escalator construction is to establish the design, as described above. The Elevator Supplier uses this information to construct the appropriately customized equipment. There are two types of companies that supply escalators, primary manufacturers who actually build the equipment, and secondary suppliers that design and install the equipment. In most cases, the secondary suppliers obtain the necessary equipment from the primary manufacturers and make necessary modifications for installation. Therefore, most escalators are actually assembled at the primary manufacturer. The tracks, step chains, stair assembly, and motorized gears and pulleys are all bolted into place on the truss before shipping.

Prior to installation, the landing areas must be prepared to connect to the escalator. For example, concrete fittings must be poured, and the steel framework that will hold the truss in place must be attached. After the escalator is delivered, the entire assembly is uncrated and jockeyed into position ... less